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Class 9 · Science
→An experiment has very few groups but many individuals in each group. Which limitation may remain?
Class 9 · Science
→A researcher reported only the average while some values were beyond the measurement range. What should have been done?
Class 9 · Science
→A model is highly complex and perfectly fits all available data but its prediction changes with small adjustments. What is the main concern?
Class 9 · Science
→If an experiment testing a scientific idea is conducted only by its supporters what next step would be most valuable?
Class 9 · Science
→An experiment did not define what would count as improvement before measuring outcomes. What problem may arise?
Class 9 · Science
→A scientific report states its conclusion with greater certainty than the evidence allows. What can this be called?
Class 9 · Science
→If no evidence against a claim was found because no proper attempt was made to search for it what conclusion is appropriate?
Class 9 · Science
→Only successful examples are given in support of a scientific conclusion while the number of failures is unknown. What problem is this?
Class 9 · Science
→If an experiment is highly controlled but very different from real life what trade-off is visible?
Class 9 · Science
→A famous study supports a scientific claim but its method is unavailable. What is the main concern?
Class 9 · Science
→If participants were randomly assigned to groups but the sample came from only one school which quality is stronger and which is limited?
Class 9 · Science
→A study found an effect but several alternative causes remain possible. How should the scientific conclusion be framed?
Class 9 · Science
→A scientist decided which measurement would be the main outcome only after seeing the results. What risk arises?
Class 9 · Science
→A study showed average improvement but half the participants became worse. Why is a conclusion based only on the average incomplete?
Class 9 · Science
→Why is scientific testing weak if a claim can be adjusted to explain every possible outcome?
Class 9 · Science
→Why is it inappropriate to reject a scientific explanation merely because it seems contrary to common experience?
Class 9 · Science
→A study result occurs only under highly specific conditions. How should the scientific claim be written?
Class 9 · Science
→In which situation may the original conclusion still be wrong despite successful reproduction?
Class 9 · Science
→A scientific report gives a conclusion but does not discuss contrary evidence. Which quality is weakened?
Class 9 · Science
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